Intel Core i9 9900KS vs Intel Core Ultra 9 275HX
CPU · Specs Compare
General Parameters
Release Date
Oct 2019
Jan 2025
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Coffee Lake
Arrow Lake
Processor Number
i9-9900KS
275HX
Integrated Graphics
UHD Graphics 630
Arc Graphics (4-Cores)
Generation
—
Ultra 9 (Arrow Lake)
Package
Manufacturing Process
14 nm
3 nm
Socket
LGA-1151
FCBGA-2114
Power Consumption
127 W
45-55 W
Peak Operating Temperature
100 °C
105 °C
Max Turbo Power Consumption
—
160 W
Foundry
—
Intel
Package
—
FC-LGA18V
CPU Performance
Performance Cores
8
8
Performance Core Threads
16
8
Performance Core Base Frequency
4.0 GHz
2.7 GHz
Performance Core Turbo Frequency
5 GHz
5.4 GHz
Total Core Count
8
24
Total Thread Count
16
24
Bus Frequency
100 MHz
100 MHz
Multiplier
40x
27
L1 Cache
64 K per core
112 K per core
L2 Cache
256 K per core
2 MB per core
L3 Cache
16 MB shared
36 MB shared
Unlocked Multiplier
Yes
Yes
Efficiency Cores
—
16
Efficiency Core Threads
—
16
Efficiency Core Base Frequency
—
2.1 GHz
Efficiency Core Turbo Frequency
—
4.6 GHz
SMP
—
1
Memory Parameters
Memory Types
DDR4-2666
DDR5-6400
Max Memory Size
128 GB
192 GB
Max Memory Channels
2
2
Max Memory Bandwidth
41.6 GB/s
102.4 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
350 MHz
300 MHz
GPU Max Dynamic Frequency
1200 MHz
1900 MHz
Shader Units
192
512
Texture Units
24
32
Raster Operation Units
3
16
Execution Units
24
64
Power Consumption
15 W
14
Max Resolution
4096x2304 - 60 Hz
—
Miscellaneous
PCIe Version
3.0
5.0
PCIe Lanes
16
24
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
—
Benchmark
Cinebench R23
1,323
2,090
Cinebench R23
13,343
31,244
Geekbench 6
1,678
2,959
Geekbench 5
1,391
—
Geekbench 6
8,751
17,562
Geekbench 5
9,636
—
Blender
177
507
Passmark CPU
3,029
4,732
Passmark CPU
19,417
61,069
Cinebench 2024
—
131
Cinebench 2024
—
1,768
▲ Specs Compare
Data sourced from official specifications and benchmark tests.